Fig. 10From: Green synthesis of spiro[indoline-3,4′-pyrano[2,3-c]pyrazoles] using Fe3O4@l-arginine as a robust and reusable catalystThe proposed mechanism for the synthesis of spiro[indoline-3,4′-pyrano[2,3-c]pyrazoles] catalyzed by Fe3O4@l-arginine nanocompositeBack to article page